package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {


    @Autowired
    private ApBehaviorEntryService apBehaviorEntryService;

    @Autowired
    private MongoTemplate mongoTemplate;


    /**
     * 不喜欢行为
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        //1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //2. 查询行为实体数据
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), null);
        if (apBehaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE);
        }
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));

        ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);

        //3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        if (apUnlikesBehavior == null) {
            //4. 如果不存在   添加不喜欢行为
            ApUnlikesBehavior apUnlikesBehavior1 = new ApUnlikesBehavior();
            apUnlikesBehavior1.setArticleId(dto.getArticleId());
            apUnlikesBehavior1.setEntryId(apBehaviorEntry.getId());
            apUnlikesBehavior1.setCreatedTime(new Date());
            apUnlikesBehavior1.setType((short) 0);
            //添加不喜欢行为对象
            mongoTemplate.save(apUnlikesBehavior1);
            return ResponseResult.okResult(apUnlikesBehavior1);
        }
        //5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
        apUnlikesBehavior.setType(dto.getType());
        ApUnlikesBehavior unlikesBehavior = mongoTemplate.save(apUnlikesBehavior);

        //返回结果
        return ResponseResult.okResult(unlikesBehavior);
    }
}
